# PenDraw vs Bitrot

The clearest difference is in-app purchases: PenDraw at none against Bitrot's 3. Bitrot's advantage is update cadence (weekly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bitrot sells 3 in-app purchases, starting at $2.99 per month. PenDraw asks for nothing beyond the download.

PenDraw ships an update every 9 months, Bitrot weekly. The most recent releases landed on September 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | PenDraw | Bitrot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bitrot-glitch-photo-editor/id6782186021/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 0 MB | 35 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EMIRHAN SIMSEK](https://appshunter.io/developer/1861446793) | [William Shouldis](https://appshunter.io/developer/1846001135) |

## What reviewers say

### PenDraw

[App page](https://appshunter.io/ios/app/pendraw/id6756569723)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Bitrot

[App page](https://appshunter.io/ios/app/bitrot-glitch-photo-editor/id6782186021)

Create unique, textured images with a variety of destructive and retro effects. This app offers layered editing, masking, and precise control over pixel manipulation, all processed locally on your device. Enhance your photos with film-style presets, custom text, and collage tools.

**Highlights:** Layered effect stacking, Masking to subject/background, Dither, glitch, and pixelate effects, VHS and CRT style looks, Hand-drawn warp and liquify, Film-style color grading, Collage and text tools

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter Monthly | $2.99 | per month |
| Supporter Yearly | $19.99 | per year |
| Lifetime Access | $59.99 | one-time |


## Frequently asked questions

### Is PenDraw free?

PenDraw is free to download, with no in-app purchases.

### Is Bitrot free?

Bitrot is free to download, with in-app purchases available.

### Do PenDraw or Bitrot have ads?

Neither PenDraw nor Bitrot shows ads.

### Which is updated more often, PenDraw or Bitrot?

PenDraw ships an update every 9 months, and Bitrot weekly. Most recently, PenDraw was updated on September 16, 2026 and Bitrot on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*